Finding the Fourth Proportional to 647,844.96, 894,027.36 and 361,357.68
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Solution
The fourth proportional to 647,844.96, 894,027.36 and 361,357.68 is: 498,674.33
Step by Step Solution
- Step 1: Write the proportion equation
647,844.96 : 894,027.36 = 361,357.68 : x - Step 2: Convert to fraction form
647,844.96/894,027.36 = 361,357.68/x - Step 3: Cross multiply
647,844.96x = 894,027.36 × 361,357.68 - Step 4: Simplify right side
647,844.96x = 323,063,652,666.13 - Step 5: Solve for x
x = 323,063,652,666.13/647,844.96 - Step 6: Final answer
x = 498,674.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.